21292680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{929}}^1$

素因数の和:1134

約数の個数: 64

約数和(自身を含む): 64281600

約数和(自身を除く): 42988920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 382, 573, 764, 929, 955, 1146, 1528, 1858, 1910, 2292, 2787, 2865, 3716, 3820, 4584, 4645, 5574, 5730, 7432, 7640, 9290, 11148, 11460, 13935, 18580, 22296, 22920, 27870, 37160, 55740, 111480, 177439, 354878, 532317, 709756, 887195, 1064634, 1419512, 1774390, 2129268, 2661585, 3548780, 4258536, 5323170, 7097560, 10646340, 21292680]

約数ペア:

[(1, 21292680), (2, 10646340), (3, 7097560), (4, 5323170), (5, 4258536), (6, 3548780), (8, 2661585), (10, 2129268), (12, 1774390), (15, 1419512), (20, 1064634), (24, 887195), (30, 709756), (40, 532317), (60, 354878), (120, 177439), (191, 111480), (382, 55740), (573, 37160), (764, 27870), (929, 22920), (955, 22296), (1146, 18580), (1528, 13935), (1858, 11460), (1910, 11148), (2292, 9290), (2787, 7640), (2865, 7432), (3716, 5730), (3820, 5574), (4584, 4645)]